Question: which reserve currency has the highest price?
Paraphrase: What is the highest priced world currency?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q756202 . ?ent wdt:P2284 ?obj } ORDER BY DESC(?obj)LIMIT 5 
Answer: United States dollar, United States dollar, United States dollar, United States dollar, United States dollar